Back-flow check valve
作者： Franz Schulte
DOI:
关键词:
摘要: The invention concerns a back-flow check valve having flat seat with plurality of openings which are covered by head mushroom-shaped closing member manufactured soft-elastic material. A fine mesh sieve is arranged between the and for covering openings. prevents from being partially pulled into so that knobs would be formed on an interior surface head.
lens.org 参考文章(8)
Rodrick C. Robinson, Apparatus for dispensing agricultural liquid chemicals ,(1991)
Kouichi Osawa, Yukihiro Sonoda, PCV system with a check valve device ,(1990)
Reinhold Dipl Ing Fink, Guenter Dipl Ing Wolf, Venting valve for a fuel tank ,(1994)
Pynchon George, Silent check-valve ,(1966)
Conrad R Barlow, Nozzle and valve assembly ,(1964)
Russell J. Redmond, Claude Vidal, Fluid flow control valve ,(1987)
Bryan P Joyce, Dayton A Gurney, Automatic control valve ,(1923)
Juhasz Kalman John De, Check valve device ,(1944)